ABINIT Discussion Forums

Dear all
During the GW calculation i received the strange ERROR:

size_goed_fft : ERROR-
nbest = 65537
is larger than any allowable FFT

Does anyone knows the origin of this error?
My input, output and log file are attached to this e-mail.
Any suggestions will be appreciated
thanks

Hi,

I believe there is some bug with the setup of the fft meshes for large cells.
Here is a work-around. Look in the log for a sensible fft mesh to use. Then can set the fft mesh manually with e.g.

fftgw 00
ngfft 24 24 180